package com.huayi.datagovernance.utils;



import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSONObject;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;

/**
 * 数据代理http请求客户端
 * jdk提供
 */
public class HttpUtil {


    public static String sendGet(String url, String param) {

        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url;
            if (StrUtil.isNotBlank(param)){
                urlNameString = url+ "?" + param;
            }
            //log.info("获取实时删格使用的连接为:{}", urlNameString);
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            //log.error("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }


    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("Content-Type", "application/json");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(),"utf-8"));
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            //log.error("发送 POST 请求出现异常！"+e);
            // e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }



    public  static String getSoapWsdlconnect(String url,String xml,String methode){
        HttpURLConnection conn = null;
        InputStreamReader isr = null;
        InputStream in = null;
        OutputStream out = null;
        StringBuffer result= null;
        try{
            byte[] sendbyte = xml.getBytes("UTF-8");
            URL connUrl = new URL(url+"?wsdl");
            String soapActionString = url+"/"+methode;
            conn=(HttpURLConnection)connUrl.openConnection();
            conn.setRequestProperty("Content-Type","text/xml;charset=utf-8");
            conn.setRequestProperty("Content-Length",sendbyte.length+"");
            conn.setRequestProperty("soapActionString",soapActionString);
            conn.setDoInput(true);
            conn.setDoOutput(true);
            conn.setConnectTimeout(1000*30);
            conn.setReadTimeout(60000);
            out=conn.getOutputStream();
            out.write(sendbyte);
            if(conn.getResponseCode() == 200){
                result = new StringBuffer();
                in = conn.getInputStream();
                isr = new InputStreamReader(in,"UTF-8");
                char[] c = new char[1024];
                int a = isr.read(c);
                while(a!= -1){
                    result.append(new String(c,0,a));
                    a = isr.read(c);
                }
            }
        }catch (Exception e){
           e.printStackTrace();
        }finally {
            if (conn != null) conn.disconnect();
            try {
                if (in != null) in.close();
                if(isr != null) isr.close();
                if(out != null) out.close();
            }catch (IOException e){
                e.printStackTrace();
            }
        }
        return result == null ? "":result.toString();
    }


    public static String getUrlParamsFromJson(JSONObject jsonObject){
        String resultParam = "";
        try {

        if(jsonObject != null) {
            StringBuilder param = new StringBuilder();
            for(String  key : jsonObject.keySet()){
                param.append(URLEncoder.encode(key,"UTF-8")).append("=")
                .append(URLEncoder.encode(jsonObject.getString(key),"UTF-8")).append("&");
            }
        }
        }catch (Exception e ){
            e.printStackTrace();
        }
        return resultParam;
    }
}
